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1 | /* |
2 | * Copyright (C) 2007 Marc Hoffman | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef AVUTIL_BFIN_TIMER_H | |
22 | #define AVUTIL_BFIN_TIMER_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | #define AV_READ_TIME read_time | |
27 | ||
28 | static inline uint64_t read_time(void) | |
29 | { | |
30 | union { | |
31 | struct { | |
32 | unsigned lo; | |
33 | unsigned hi; | |
34 | } p; | |
35 | unsigned long long c; | |
36 | } t; | |
37 | __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); | |
38 | return t.c; | |
39 | } | |
40 | ||
41 | #endif /* AVUTIL_BFIN_TIMER_H */ |